Marbury v. Madison, 5 U.S. (1 Cranch) 137 (1803), was a U.S. Supreme Court case that established the principle of judicial review in the United States, meaning that American courts have the power to strike down laws, statutes, and some government actions that contravene the U.S. Constitution.
Marbury v. Madison - Wikipedia
https://en.wikipedia.org/wiki/Marbury_v._Madison
Workers mostly sell their labor in order to "<span>a. earn income" since those who employ them must pay them a wage, which they can use to buy food, recourses, etc. for themselves and their families. </span>
I think the answer would be New World Order. After 25 years, the US had won over Moscow and thus ended the Cold War between Soviet Union and United States. I think one of the concerns of both US and USSR is to tackle the issue of terrorism. They have come to the conclusion that they should stop attacking each country and focus more on terrorism and economic development.
